Effect of Fertilizer Application on Population Quality,Root System Distribution,Grain Yield and Quality in Super-high-yielding Wheat

doi:10.3321/j.issn:1000-7091.2002.04.018

Abstract

Abstract: Wheat population quality, root system distribution, grain yield and quality were studied under different fertilizer application treatment in the condition of super-high-yielding wheat cultivation. The result showed that wheat population and biomass increased by adding fertilizer application. The root length density decreased as the solum deepening. The root length density increased by adding fertilizer application. The mean root diameter was biggest in 0-10 cm solum, but it had little effect when adding fertilizer application. The root surface area was biggest in 0-10 cm solum, but decreased sharply with the solum deepening.Root area increased by adding fertilizer application and the effect was best when N:P was 1:1. The total root length differed very much in different solum and it was over 50% in 0-10 cm solum. Grain yield and quality increased by adding fertilizer application and the effect was best when N:P:K was 1:1:0.6.

Key words: Wheat, Population quality, Root system distribution, Grain yield, Quality

CLC Number:

S12.106

ZHAO Guang-cai, LIU Li-hua, YANG Yu-shuang, ZHANG Yan, YANG Zhao-sheng. Effect of Fertilizer Application on Population Quality,Root System Distribution,Grain Yield and Quality in Super-high-yielding Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2002, 17(4): 82-87. doi: 10.3321/j.issn:1000-7091.2002.04.018.

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